in Thoreau’s Journal:

I stood by the river to-day considering the forms of the elms reflected in the water. For every oak and birch, too, growing on the hilltop, as well as for elms and willows, there is a graceful ethereal tree making down from the roots, as it were the original idea of the tree, and sometimes Nature in high tides brings her mirror to its foot and makes it visible.  Anxious Nature sometimes reflects from pools and puddles the objects which our grovelling senses may fail to see relieved against the sky with the pure ether for background.

It would be well if we saw ourselves as in perspective always, impressed with distinct outline on the sky, side by side with the shrubs on the river’s brim. So let our life stand to heaven as some fair, sunlit tree against the western horizon, and by sunrise be planted on some eastern hill to glisten in the first rays of the daw